Jean, I have modified it and posted it back to the list. Have a Merry Christma s. Peter .......... ==================================== Remember .... Every Silver Lining Has It's Cloud ==================================== : : I'v been modifying Peter Baine's servo controller code so I could : control a single servo on a pic16c84 running at 4 MHz. (I wanted it to : be as simple as possible) But for some reason, it doesn't work. All the : servo does is that it points in a certain direction and stays there. : Even if I change the delay for the pulse duration the servo won't move a : bit. : : Could someone take a little look at the program and see if something's : missing? Attached to this message is the small program. : Content-Type: application/octet-stream; name="srvctrl2.asm" Content-Description: srvctrl2.asm () Content-Disposition: attachment; filename="srvctrl2.asm" Attachment converted: wonderland:srvctrl2.asm (????/----) (0000E753)